Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Speed Control (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 31 , Speed Control for schematic and connector
information.
Special Tool(s)
Worldwide Diagnostic System
(WDS)
418-F224,
New Generation STAR (NGS)
Tester
418-F052, or equivalent
diagnostic tool
7 ...
Roller Followers
Special Tool(s)
Compressor, Valve Spring
303-452 (T93P-6565-AR)
Removal and Installation
1. Remove the LH and RH valve cover. For additional information, refer to
Valve Cover LH and
Valve Cover RH in this section.
2. Position the piston of t ...
Climate Control System (Description and Operation)
WARNING: To avoid accidental deployment and possible injury, the air
bag system
backup power supply must be depleted before repairing any climate control
components. To
deplete the backup power supply, disconnect the battery ground cable and wait
one minute ...
